What Are Carbon Nanotubes Doped with 32 wt% Silicon Nanoparticles?

Carbon Nanotubes Doped with 32 wt% Silicon (Si) Nanoparticles are advanced hybrid nanomaterials that combine the exceptional electrical conductivity and mechanical strength of carbon nanotubes (CNTs) with the high lithium storage capacity and semiconducting properties of nano-silicon. This unique combination is specifically designed for use in next-generation energy storage systems, especially Li-ion battery anodes.

Chemical Properties and CAS Numbers

• Main Components: Multi Walled Carbon Nanotubes (MWCNTs), Silicon (Si) Nanoparticles
• Silicon Content: 32 wt%
• Average CNT Diameter: ~10–50 nm
• Silicon Particle Size: 30–80 nm
• CAS Number (CNT): 308068-56-6
• CAS Number (Si): 7440-21-3
• Purity: >99%
• Form: Black-gray powder
• Conductivity: High
• Specific Surface Area: 200–400 m²/g (varies with treatment)

Applications

1. Li-ion Battery Anodes

The most prominent application is in high-capacity anode materials. The hybrid material addresses silicon’s volume expansion issue during lithiation by dispersing it in the CNT matrix, improving cycling performance, stability, and charge rate.

2. Energy Storage Devices

Utilized in supercapacitors, solid-state batteries, and Li-S batteries to boost energy density and conductivity.

3. Semiconductor and Nanoelectronics

Potential uses in nano-FETs, transistors, and MEMS/NEMS devices where hybrid electrical/semiconducting behavior is desired.

4. Composite Conductive Additives

Acts as a conductive filler in polymers, resins, and ceramics to produce lightweight, durable, and electrically conductive composites.

5. R&D and Material Science

A valuable material for experimental research in next-gen batteries, nanotechnology, and energy harvesting systems.

Pricing Information

• Small Scale (Lab Research): $400 – $900 per 100 grams
• Industrial/Bulk Orders: $2,500 – $6,000 per kilogram
• Custom Grades: Based on purity, CNT/Si ratio, and functionalization

Factors Affecting Price

• Silicon purity and nanoparticle size
• Quality and length of CNTs
• Dispersion quality and uniformity
• Surface functionalization (e.g., -OH, -COOH)
• Packaging (vacuum-sealed or inert gas protection)
• Order quantity and destination

Conclusion

CNTs Doped with 32 wt% Silicon Nanoparticles offer a strategic combination of conductivity, flexibility, and high theoretical capacity for energy storage applications. They represent a promising class of materials for the future of lithium-ion batteries, advanced electronics, and smart composites.